* {
  margin: 0;
  padding: 0;
  font-family: SourceHanSansCN-Regular, SourceHanSansCN;
  /* color: #fff; */
  font-size: 14px;
}

ul,
li {
  padding: 0;
  margin: 0;
  list-style: none;
}



#app ,body,html{
  /* max-width: 1280px;
  margin: 0 auto;
  padding: 2rem;
  text-align: center; */
  /* width: 1920px;
  height: 1080px; */
  height: 100%;
  width: 100%;
}